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Study sets matching "physics ii exam 1"

30 terms
PHYSICS 2 Exam 1
A conductor is placed in an electric f…
A disk with radius R is oriented with…
An e- traveling along +x axis enters e…
Electrical and gravitational forces fo…
all of them
both 1 and 2
upward
gravitational are always attractive whereas electrical can be…
A conductor is placed in an electric f…
all of them
A disk with radius R is oriented with…
both 1 and 2
24 terms
Physics 2 Exam 1
E for point charge/sphere
E for line/cylinder
E for line/cylinder
E for plane
kQ/r^2
2klambda/r
lambda/(2pir*epsilon_o)
sigma/(2*epsilon_o)
E for point charge/sphere
kQ/r^2
E for line/cylinder
2klambda/r
77 terms
Physics 2 Exam 1
Conductors
Insulators
Semiconductors
Coulumb's Law
Iron, metals... e- bound loosely to nucleus, free to move
Wood, rubber... e- bound tightly to nucleus
Silicon, germanium
F = kq1q2/r^2
Conductors
Iron, metals... e- bound loosely to nucleus, free to move
Insulators
Wood, rubber... e- bound tightly to nucleus
96 terms
Physics 2 Exam 1
Conductors
Insulators
Semiconductors
Coulumb's Law
Iron, metals... e- bound loosely to nucleus, free to move
Wood, rubber... e- bound tightly to nucleus
Silicon, germanium
F = kq1q2/r^2
Conductors
Iron, metals... e- bound loosely to nucleus, free to move
Insulators
Wood, rubber... e- bound tightly to nucleus
43 terms
Physics 2 Exam 1
the process by which energy is exchang…
objects are in __ if energy can be exc…
__ exists when two objects are in ther…
__ is the property that determines whe…
heat
thermal contact
thermal equilibrium
temperature
the process by which energy is exchang…
heat
objects are in __ if energy can be exc…
thermal contact
38 terms
Physics 2 Exam 1
pulse duration
pulse period
pulse repetition frequency
dB
the length of time the US pulse is on. Determines the axial r…
the time from one US pulse to the next
the number of US pulse per second sent into the tissue. High…
method of expressing ratios of quantities. Represents the pow…
pulse duration
the length of time the US pulse is on. Determines the axial r…
pulse period
the time from one US pulse to the next
43 terms
Physics Exam 1 - Week 2
Rectilinear Equations of Motion
Distance
Position or Location
2-D needs
actual pathway length (scalar)
magnitude and direction (vector)
one angle for direction
Rectilinear Equations of Motion
Distance
actual pathway length (scalar)
Physics 2 Exam 1
Atom
10^-10 m
10^-15 m
A
Consists of a positively charged nucleus surrounded by a clou…
Radius of atom
Radius of nucleus
Mass number
Atom
Consists of a positively charged nucleus surrounded by a clou…
10^-10 m
Radius of atom
118 terms
Physics for Life Sciences 2 Exam 1
types of charges
properties of charges
dipole moment
insulators
positive and negative
1. like charges repel and opposite charges attract... 2. electri…
dipole = Q×d
hold tightly to e⁻ usually in covalent bonds
types of charges
positive and negative
properties of charges
1. like charges repel and opposite charges attract... 2. electri…
97 terms
Physics 2 Exam 1
rubbing
polarization
conductor
insulator
net charge of the system remain zero but object carry an exce…
distorting the charge field of a neutral object
valence electron wander freely throughout the material (body,…
electrons are bound to the parent atom and don't move freely…
rubbing
net charge of the system remain zero but object carry an exce…
polarization
distorting the charge field of a neutral object
22 terms
physics 2 exam1
wave
medium
transverse
longitudinal
a traveling disturbance that carries energy from one place to…
the substance through which a wave travels
waves in which the disturbance is perpendicular to the direct…
waves in which the disturbance is parallel to (in the same di…
wave
a traveling disturbance that carries energy from one place to…
medium
the substance through which a wave travels
31 terms
physics 2 exam 1
transverse wave
longitudinal wave
mixed wave
wave
local disturbance of medium is perpendicular to direction of…
local disturbance of medium is parallel to direction of travel
local disturbance is a combination of transverse and longitud…
disturbance of a medium
transverse wave
local disturbance of medium is perpendicular to direction of…
longitudinal wave
local disturbance of medium is parallel to direction of travel
14 terms
Physics 2 Exam#1
Electron
Proton
Neutron
Properties of charges acting on charges
Negative charge... Mass= 9.1E-31 kg... Size= 1E-16 m
Positive Charge... Mass= 1.6726E-27 kg... Size= 1E-15 m
Neutral Charge... Mass= 1.6749E-27 kg... Size= 1E-15 m
Like charges repel each other, opposite charges attract each…
Electron
Negative charge... Mass= 9.1E-31 kg... Size= 1E-16 m
Proton
Positive Charge... Mass= 1.6726E-27 kg... Size= 1E-15 m
32 terms
Physics 2 Exam 1
Thermal Physics is the study of-
Heat
Thermal Equilibrium
Zeroth Law of THermodynamics
Temperature, Heat and how those affect matter
energy exchange between objects of a different temperature
Two objects in thermal contact have no net energy exchange be…
Objects A and B are separately in thermal equilibrium with a…
Thermal Physics is the study of-
Temperature, Heat and how those affect matter
Heat
energy exchange between objects of a different temperature
16 terms
physics 2 exam 1
acoustic variables
wave parameters (PW)
assumptions of a pulsed wave
Doppler
pressure... density... temperature... particle motion
frequency... period... wavelength... amplitude... power... intensity... propaga…
sound travels in a straight line... travels to reflector and rig…
the apparent change in freq as a result of a change in wavele…
acoustic variables
pressure... density... temperature... particle motion
wave parameters (PW)
frequency... period... wavelength... amplitude... power... intensity... propaga…
102 terms
Gen Physics 2, Exam 1
A coulomb is the same as
A kiloampere-hour is a unit of
The magnitude of the charge on an elec…
The total negative charge on the elect…
An ampere*second
Charge
10^-19 C
1.9 x 10^5 C
A coulomb is the same as
An ampere*second
A kiloampere-hour is a unit of
Charge
33 terms
AP physics 2 exam 1
Internal energy
N
Boltzmann constant
PV
U = n(3/2)RT
number of molecules
1.38 X 10^-23 J/K
nrt
Internal energy
U = n(3/2)RT
N
number of molecules
26 terms
Physics 2 Exam 1
Kirchhoff's Voltage Law
Kirchhoff's Current Law
___________ capacitors and their equiv…
___________ capacitors and their equiv…
voltage in a loop is zero
current at a node is zero
series
parallel
Kirchhoff's Voltage Law
voltage in a loop is zero
Kirchhoff's Current Law
current at a node is zero
20 terms
Physics 2 Exam 1
Dielectric Material
Polar Molecule
Dielectric Constant, K,
Capacitors in Series
Any material made up of polar molecules or for which the mole…
A molecule which behaves as an electric dipole.
The ratio of the capacitance with material between the plates…
1/CS= 1/C1+1/c2+1/C3....
Dielectric Material
Any material made up of polar molecules or for which the mole…
Polar Molecule
A molecule which behaves as an electric dipole.
11 terms
Physics 2 exam 1
A positive charge is released from res…
What is the change in potential when a…
What is the change in potential energy…
When a positive charge is released fro…
-direction of the electric field
-negative
-negative
-direction of the field
A positive charge is released from res…
-direction of the electric field
What is the change in potential when a…
-negative
44 terms
Physics Exam 1-2
Define: Attenuation
Attenuation is..
Distance and Attenuation are..
Frequency and attenuation are..
a decrease in wave amplitude (or intensity) due to the mechan…
the decrease in intensity, power and amplitude as sound trave…
directly related.
directly related. ... Attenuation is greater in higher frequenc…
Define: Attenuation
a decrease in wave amplitude (or intensity) due to the mechan…
Attenuation is..
the decrease in intensity, power and amplitude as sound trave…
86 terms
Physics 2 Exam 1
Models of Light
The Wave Model
Wave Optics
The Ray Model
Each model successfully explains the behavior of light within…
Light is a wave; light exhibits the same behavior as sound or…
The study of light as a wave.
Light travels in a straight line. Includes mirrors, lenses, a…
Models of Light
Each model successfully explains the behavior of light within…
The Wave Model
Light is a wave; light exhibits the same behavior as sound or…
35 terms
Physics 2 Exam 1
what is the 0th law of thermodynamics?
Is U a state function
Is temperature a state function
Is heat a state function
if a is in thermal equilibrium with c, and if c is in thermal…
yes
yes
no
what is the 0th law of thermodynamics?
if a is in thermal equilibrium with c, and if c is in thermal…
Is U a state function
yes
35 terms
PHYSICS 2 Exam 1
A mass is attached to a spring and osc…
A mass on a spring undergoes simple ha…
For a periodic process, the number of…
A harmonic wave has a wavelength of 2.…
T*2^0.5
B
The frequency
10 m/s
A mass is attached to a spring and osc…
T*2^0.5
A mass on a spring undergoes simple ha…
B
20 terms
Physics 2 Exam 1
Energy is always Conserved?
Efficiency Proves energy is not always…
First Law of thermodynamics is about c…
Second law of thermodynamics states th…
True
False
True
True
Energy is always Conserved?
True
Efficiency Proves energy is not always…
False
36 terms
Physics 5A: exam 1
Change of an object's position or orie…
The path along which an object moves.
Symbol that represents a position alon…
Change of position. The difference bet…
Motion
Trajectory
Coordinate
Displacement
Change of an object's position or orie…
Motion
The path along which an object moves.
Trajectory
65 terms
Radiation Physics 2 Review Exam 1
Technique systems function best when a…
Technique systems function best when a…
Fixed kVp systems produce more scatter…
Fixed kVp systems tend to decrease pat…
False
True
True
True
Technique systems function best when a…
False
Technique systems function best when a…
True
93 terms
physics 105 exam 1.2
Suppose that an object travels from on…
When is the average velocity of an obj…
A new car manufacturer advertises that…
An object moving in the +x axis experi…
C) The displacement is either less than or equal to the dista…
C) only when the velocity is constant
C) average acceleration.
D) increasing its velocity by 2.0 m/s in every second.
Suppose that an object travels from on…
C) The displacement is either less than or equal to the dista…
When is the average velocity of an obj…
C) only when the velocity is constant
449 terms
Physics 202 - Exam 1, 2 & 3 Flashcards
Why do we measure basic dose distribut…
Describe the Alderson Rando phantom.
Why does the absorbed dose in the pati…
PDD, TAR, TPR & TMR measurements are m…
- closely approximates the radiation absorption and scatterin…
anthropomorphic phantom - human form... - Frequently used for cl…
- depends on depth, field size, distance from source, beam en…
-water phantoms using small ionization chambers
Why do we measure basic dose distribut…
- closely approximates the radiation absorption and scatterin…
Describe the Alderson Rando phantom.
anthropomorphic phantom - human form... - Frequently used for cl…
48 terms
Physics Exam 1
The kilogram (kg) is the SI unit for _…
The meter (m) is SI unit for _________…
The second (s) is the SI unit for ____…
The newton (N) is the SI unit for ____…
mass
length or distance
time
weight or force
The kilogram (kg) is the SI unit for _…
mass
The meter (m) is SI unit for _________…
length or distance
19 terms
Physics2-exam 1
The object being charged...
polarization
force
field force
is always left with a charge having the same sign as the obje…
surface of an insulator
is a vector
the force is exerted on by one object on another object
The object being charged...
is always left with a charge having the same sign as the obje…
polarization
surface of an insulator
17 terms
Physics Exam 1
Rule 1
Rule 2: Zeros has three types
Rules for addition and subtraction wit…
Rules for multiplication and division…
All non-zero integers are significant.
Leading Zeros are zeros that precede all of the nonzero integ…
The final answer must have no more decimal places than the me…
The final answer must have no more sig figs than the measurem…
Rule 1
All non-zero integers are significant.
Rule 2: Zeros has three types
Leading Zeros are zeros that precede all of the nonzero integ…
25 terms
exam 1 review physics 2
a young's double slit apparatus is ill…
12. A blue beam of light falls on two…
400 nm is
450 nm is
becomes more widely space
Interference fringes move close to the central maximum
purple
blue
a young's double slit apparatus is ill…
becomes more widely space
12. A blue beam of light falls on two…
Interference fringes move close to the central maximum
45 terms
Physics 2 exam 1 flashcards
is charge always conserved
conductors
insulator
semi-conductors
yes
charges move freely in material
materials don't allow charge movement
can be turned on or off (uses switches)
is charge always conserved
yes
conductors
charges move freely in material
physics exam 1 version 2 study guide
Excitation
Ionization
Characteristic x-rays
Bremsstrahlung x-rays
electron may move shells
complete removal of electron
discrete energy; depends on target material
continuous energy spectrum
Excitation
electron may move shells
Ionization
complete removal of electron
36 terms
Physics Exam 1 Chapter 2
If you double the energy of a kilogram…
About how fast are molecules in air mo…
Temperature is the measure
In a bucket of water, instananeous spe…
doubles
1000 ft/sec
of average kinetic energy
approximately 1000 feet per second
If you double the energy of a kilogram…
doubles
About how fast are molecules in air mo…
1000 ft/sec
12 terms
General Physics 2 Exam 1
Coulomb's Law
E= ?
e
k
F=k* Q1Q2/r^2
F/q ,... kq/r... σ/Eo (surface charge density)... Qencl/r^2 , ... λ/ r (…
1.6*10^-19
9.0*10^9
Coulomb's Law
F=k* Q1Q2/r^2
E= ?
F/q ,... kq/r... σ/Eo (surface charge density)... Qencl/r^2 , ... λ/ r (…
31 terms
Physics Sem 2 Exam 1
charge
electrostatics
conductor
insulator
a conserved, quantized and scalar value that can be positive…
...
material in which charge can freely move
material in which charge cannot flow freely
charge
a conserved, quantized and scalar value that can be positive…
electrostatics
...
18 terms
Physics exam 1
giga
mega
kilo
centi
G 10^9
M 10^6
k 10^3
c 10^-2
giga
G 10^9
mega
M 10^6
86 terms
Physics of Life Exam 1
What is the most equilibrium (stable)…
Dynamic Equilibrium
What makes life in thermodynamics?
Equilibrium
Dead on the ground
Organism must do work, and needs to do it continuously in ord…
Constant dynamic equilibrium
Death
What is the most equilibrium (stable)…
Dead on the ground
Dynamic Equilibrium
Organism must do work, and needs to do it continuously in ord…
34 terms
Exam 1+2 Physics 161
T or F: An object thrown horizontally…
You are in a spaceship and fire a cann…
T or F: If something always has a cons…
T or F: Weight and inertia both have u…
F: Fall at same speed
No force is required to keep it moving
T: Circle
F: W = Newtons... Inertia = Kg
T or F: An object thrown horizontally…
F: Fall at same speed
You are in a spaceship and fire a cann…
No force is required to keep it moving
45 terms
Physics HW2 Exam 1
Aristotle believed that natural laws c…
In contrast to Aristotle's way of expl…
Galileo said that if you rolled a ball…
When Galileo rolled a ball down an inc…
logic
experiment
keep rolling without slowing down if no friction acted upon it
its initial height
Aristotle believed that natural laws c…
logic
In contrast to Aristotle's way of expl…
experiment
93 terms
physics 105 exam 1.2
Suppose that an object travels from on…
When is the average velocity of an obj…
A new car manufacturer advertises that…
An object moving in the +x axis experi…
C) The displacement is either less than or equal to the dista…
C) only when the velocity is constant
C) average acceleration.
D) increasing its velocity by 2.0 m/s in every second.
Suppose that an object travels from on…
C) The displacement is either less than or equal to the dista…
When is the average velocity of an obj…
C) only when the velocity is constant
32 terms
Physics 1 Exam 1
1.19 Suppose that, while lying on a be…
2.05 The position of an object moving…
2.15 A particle's position is given by…
2.18 The position of a particle moving…
H=height of person... t=time... r=radius of earth... 24/360=t/theta... us…
a-d plug and chug... e)... A:a)-.06m b)-2.28m c)-.18m d)12.72m e)12…
c
...
1.19 Suppose that, while lying on a be…
H=height of person... t=time... r=radius of earth... 24/360=t/theta... us…
2.05 The position of an object moving…
a-d plug and chug... e)... A:a)-.06m b)-2.28m c)-.18m d)12.72m e)12…
11 terms
Physics Exam 1
SI units
Scalar Quantity
Vector Quanitty
Scalar or vector?... Temperature... Speed... Ma…
Meter (m)... kilogram (kg)... Second (s)
Can be described as a single number
Deals with magnitude and direction
Temp, speed, mass- scalar... Velocity force, displacement- vector
SI units
Meter (m)... kilogram (kg)... Second (s)
Scalar Quantity
Can be described as a single number
92 terms
Physics II Exam 1
study of electricity at rest
charged atom
transferred
the net amount of electric charge in a…
Define electrostatics
Define ion
When a charge is made, it isn't created or destroyed, it is m…
What does the Law of Conservation of Electric Charge say?
study of electricity at rest
Define electrostatics
charged atom
Define ion
162 terms
BYU Physics 127 Mini Exam 1-7
The horns of the crescent moon always…
Vega is in the constellation
The Zodiac is
You are on a strange planet. You note…
away from the sun
Lyra
the constellations through which the Sun appears to travel in…
26,000 miles
The horns of the crescent moon always…
away from the sun
Vega is in the constellation
Lyra
19 terms
Physics exam 1
Mass
Length
Time
Weight
kilograms(kg)
meter(m)
second(sec)
newton(N)
Mass
kilograms(kg)
Length
meter(m)
Physics II: Exam 1
Conductors
Insulators
Semiconductors
Coulumb's Law ... -Strength of E field
Some charges (usually -) can move
Charges can't move
The amount of charge that moves can be controlled in manufact…
-Attraction/ repulsion of charged spheres as a function of to…
Conductors
Some charges (usually -) can move
Insulators
Charges can't move
38 terms
Physics Exam 1
Motion
Speed
Velocity
Acceleration
Change in position measured by distance and time
Rate at which an object moves
Speed and direction of a moving object
rate of speed or direction changes... positive value = speeding…
Motion
Change in position measured by distance and time
Speed
Rate at which an object moves
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